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Thread: Why is water drawing from pool instead of spa when spa is on?

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    Why is water drawing from pool instead of spa when spa is on?

    I haven't learned much about the mechanics of how my pool and spa work so I'm not sure what the problem is or how to fix it. I turned the pool off and the spa on today and the water continued to flow through the spa into the pool and back. Usually turning on the spa closes off the pool so the water stops going over the waterfall and is contained to flowing through the spa drains and returns. Is this a problem with a valve? I can call the pool company on Tuesday, but I thought I'd try to fix it myself if it's simple. Or at the very least just try to understand the problem. Thanks!



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    Re: Why is water drawing from pool instead of spa when spa is on?

    I'm assuming you have a automation system controlling your pool and spa. If you do then check the operation of your valve actuators. Sounds like there not responding when you turn spa on.

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    Mod Squad Jimrahbe's Avatar
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    Re: Why is water drawing from pool instead of spa when spa is on?

    Yes, most likely the intake valve, which either takes water from the Spa or from the Pool is still in the pool position. If this is an automated system, you could have an actuator failure.

    Most actuators have a little switch on the back that you can try.. It may move the valve to the right position, depending on the failure mode. You will not "fix" it with the switch, but it might make it usable for now.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    PoolguyinCT's Avatar
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    Re: Why is water drawing from pool instead of spa when spa is on?

    You will find a "toggle" switch on your automated valve, my first thought it is in the wrong position.

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